6
TECHNICAL GUIDE
Area A
Claw a
Date driving wheel
Day driving wheel
Claw b
Area B
■
How to install the calendar wheels for the Cal. 5Y89A
Refer to the illustration below to install the calendar wheels for the Cal. 5Y89A.
19 Hour wheel guard is omitted from the illustration.
Set the jumpers to mesh with the gear teeth.
•
Set the Date driving wheel so that its claw a is in the Area A on the main plate.
•
Set the Day driving wheel so that its claw b is in the Area B on the main plate.
9
Date driving wheel , 12 24-hour hand wheel ~ 17 Intermediate date wheel,
20 Calendar corrector setting wheel,
21 Intermediate wheel for calendar correction C, 24 Hour wheel
5Y89A
12
24-hour hand wheel
13
Day driving wheel
15
Date star
14
Day wheel
16
Date corrector setting wheel
17
Intermediate date
wheel
20
Calendar corrector setting wheel
9 Date driving wheel
24
Hour wheel
Date jumper
Area A
Day jumper
Area B
21
Intermediate wheel for
calendar correction C